Home / 98,905.25-136,488.85-53,583.15

Finding the Fourth Proportional to 98,905.25, 136,488.85 and 53,583.15

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Solution

The fourth proportional to 98,905.25, 136,488.85 and 53,583.15 is: 73,944.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,905.25 : 136,488.85 = 53,583.15 : x
  2. Step 2: Convert to fraction form
    98,905.25/136,488.85 = 53,583.15/x
  3. Step 3: Cross multiply
    98,905.25x = 136,488.85 × 53,583.15
  4. Step 4: Simplify right side
    98,905.25x = 7,313,502,612.85
  5. Step 5: Solve for x
    x = 7,313,502,612.85/98,905.25
  6. Step 6: Final answer
    x = 73,944.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.